SOURCE: Akai PT50DL24 50 in DLP Rear Projection TV-NO PIC OR SOUND
check for popped or raised tops on caps in power supply. also try unplugging set for 5 minutes and resetting it. How about does your color wheel spin up? if your color wheel don't startup then your tv will also shut down. also check all fans they all should be running at turn on. if all fails i would say its your light engine.
SOURCE: have sound and no picture GE 46GW 948
FOR PGANZE
TRY THIS hook up the cable box directly to the video 1 input on the back if your cable box have video out.
and let me know if you still have the problem
Jose
SOURCE: Sony KDF - 50E2000 Projection TV Lost Brightness control after replaceing bulb
Let me know have you adjusted Lamp Replacement option in Menu > Settings in TV?
SOURCE: tv bulb
You set a Multimeter to read impedance (ohms) then put the two sensors of the Multimeter on the lamp contacts, if it reads infinite impedance, then lamp has blown.
SOURCE: Need a red bulb for Zenith PVR5263RK rear projection tv
It sounds like your looking for a CRT (red) the part # is on the CRT and could be puchased through any Zenith (LG) distributer- usually around $300- $500. Google the part # when you get it and you may find a used Picture Tube (CRT)for cheaper.
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